
Research Homepage for Ping Zhu


Plasma Sheet Instabilities prior to Substorm Expansion Onsets (Supported by NSFAGS and NSFPHY)
Synergistic Coupling of BallooningInterchange and Magnetic Reconnection during a Substorm Onset (Supported by NSFATM)
Nonlinear and Nonideal BallooningInterchange Process in Fusion Plasmas (Supported by DOEOFES)
Major Publications:
 P. Zhu, A. Sangari, Z.C. Wang, and P. Bonofiglo, Intrinsically threedimensional magnetic reconnection process in a generalized Harris sheet, submitted to Phys. Rev. Lett. (2016).
 P. Zhu, C.R. Sovinec, and C.C. Hegna, The formation of blobs from a pure interchange process, Phys. Plasmas 22, 022311 (2015).
 P. Zhu and J. Raeder, Ballooning instabilityinduced plasmoid formation in nearEarth plasma sheet, J. Geophys. Res. Space Physics 119, 131141 (2014).
 P. Zhu and J. Raeder, Plasmoid formation in current sheet with finite normal magnetic component, Phys. Rev. Lett. 110, 235005 (2013).
 P. Zhu, J. Raeder, C. C. Hegna, and C. R. Sovinec, Nature of axial tail instability and bubbleblob formation in nearEarth plasma sheet, J. Geophys. Res. Space Physics 118, 653663 (2013).
 P. Zhu, C. C. Hegna, and C. R. Sovinec, Stabilizing effects of edge current density on pedestal instabilities, Phys. Plasmas 19, 032503 (2012).

P. Zhu, C.C. Hegna, C.R. Sovinec, A. Bhattacharjee, and K. Germaschewski, Intermediate nonlinear regimes of linetied g mode and ballooning instability, Nucl. Fusion 49, 095009 (2009).

P. Zhu, C. C. Hegna, and C. R. Sovinec, Exponential growth of nonlinear ballooning instability, Phys. Rev. Lett. 102, 235003 (2009).
 P. Zhu, J. Raeder, K. Germaschewski, and C. C. Hegna, Initiation of ballooning instability in the nearEarth plasma sheet prior to the 23 March 2007 THEMIS substorm expansion onset, Ann. Geophys. 27, 11291138 (2009).
 P. Zhu and C. C. Hegna, Ballooning filament growth in the intermediate nonlinear regime, Phys. Plasmas 15, 092306 (2008).
 P. Zhu, D. D. Schnack, F. Ebrahimi, E. G. Zweibel, M. Suzuki, C. C. Hegna, and C. R. Sovinec, Absence of complete finiteLarmorradius stabilization in extended MHD, Phys. Rev. Lett. 101, 085005 (2008).
 P. Zhu, C.R. Sovinec, C.C. Hegna, A. Bhattacharjee, and K. Germaschewski, Nonlinear ballooning instability in the nearEarth magnetotail: Growth, structure, and possible role in substorms, J. Geophys. Res. 112, A06222 (2007).
 P. Zhu, C.C. Hegna, C.R. Sovinec, A. Bhattacharjee, and K. Germaschewski, Intermediate nonlinear regime of a linetied g mode, Phys. Plasmas 14, 055903 (2007).
 P. Zhu, C.C. Hegna, and C.R. Sovinec, Nonlinear growth of a linetied g mode near marginal stability, Phys. Plasmas 13, 102307 (2006).
 P. Zhu, A. Bhattacharjee, and K. Germaschewski, Intermediate nonlinear evolution of the Parker instability: Formation of convectioninduced discontinuities and absence of finitetime singularities, Phys. Rev. Lett. 96, 065001 (2006).
 P. Zhu, A. Bhattacharjee, and Z.W. Ma, Finiteky ballooning instability in the nearEarth magnetotail, J. Geophys. Res. 109, A11211 (2004).
 P. Zhu, A. Bhattacharjee, and Z.W. Ma, Hall MHD ballooning instability in the magnetotail, Phys. Plasmas 10, 249 (2003).
 P. Zhu, G. Bateman, A.H. Kritz, and W. Horton, Predictive transport simulations of internal transport barriers using the MultiMode model, Phys. Plasmas 7, 2898 (2000).
 P. Zhu, W. Horton, and H. Sugama, The radial electric field in a tokamak with reversed magnetic shear, Phys. Plasmas 6, 2503 (1999).
 P. Zhu and S.T. Tsai, Effect of sheared flow on drift and KelvinHelmholtz instabilities in a tandem mirror, Plasma Phys. Controlled Fusion 38, 405 (1996).
Other Publications:
 D. Banerjee, P. Zhu, and R. Maingi, Stabilizing effects of resistivity on lown edge localized modes in NSTX, submitted to Phys. Rev. Lett. (2016).

W.L. Huang and P. Zhu, The locking and unlocking thresholds for tearing modes in a cylindrical tokamak, Phys. Plasmas 23, 032505 (2016).

W.L. Huang and P. Zhu, Mode locking and island suppression by resonant magnetic perturbations in Rutherford regime, Phys. Plasmas 22, 032502 (2015).

J. Raeder, P. Zhu, Y. Ge, and G. Siscoe, Auroral signatures of ballooning mode near substorm onset: Open Geospace General Circulation Model simulations, Geophys. Monogr. Ser. 197, 389395 (2012).

J. Raeder, P. Zhu, Y. Ge, and G. Siscoe, OpenGGCM simulation of a substorm: Axial tail instability and ballooning mode preceding substorm onset, J. Geophys. Res. 115, A00I16 (2010).

B. J. Burke, S. E. Kruger, C. C. Hegna, P. Zhu, P. B. Snyder, C. R. Sovinec, and E. C. Howell, Edge localized linear ideal magnetohydrodynamic instability studies in an extendedmagnetohydrodynamic code, Phys. Plasmas 17, 32103 (2010).
 K. Avinash, P. Zhu, V. Nosenko, and J. Goree, Nonlinear compressional waves in a twodimensional Yukawa lattice, Phys. Rev. E 68, 046402 (2003).
 W. Horton, B. Hu, J. Q. Dong, and P. Zhu, Turbulent electron thermal transport in tokamaks, New J. Phys. 5, Art. No. 14 (2003).
 B. Hu, W. Horton, P. Zhu, and F. Porcelli, Density profile control with current ramping in a transport simulation of Ignitor, Phys. Plasmas 10, 1015 (2003).
 W. Horton, F. Porcelli, P. Zhu, A. Aydemir, Y. Kishimoto, and T. Tajima, Ignitor physics assessment and confinement projections, Nucl. Fusion 42, 169 (2002).
 G. T. Hoang, C. Bourdelle, X. Garbet, G. Giruzzi, T. Aniel, M. Ottaviani, W. Horton, P. Zhu, and R. V. Budny, Experimental determination of critical threshold in electron transport on Tore Supra, Phys. Rev. Lett. 87, 125001 (2001).
 G. M. Staebler, R. E. Waltz, J. E. Kinsey, G. Bateman, A. H. Kritz, T. Onjun, A. Pankin, P. Zhu, and W. Horton, Drift wave based modeling of poloidal spinup precursor and stepwise expansion of transport barriers, Nucl. Fusion 41, 891 (2001).
 W. Horton and P. Zhu, Transport barrier dynamics, Phys. Plasmas 7, 4534 (2000).
 W. Horton, P. Zhu, G. T. Hoang, T. Aniel, M. Ottaviani, and X. Garbet, Electron transport in Tore Supra with fast wave electron heating, Phys. Plasmas 7, 1494 (2000).
 J. M. Kwon, W. Horton, P. Zhu, P. J. Morrison, H. B. Park, and D. I. Choi, Global drift wave map test particle simulations, Phys. Plasmas 7, 1169 (2000).
 M. Sun, P. Zhu, and S. Z. Yang, A model of plasma source ion implantation for inner surface modification, J. Phys. D: Appl. Phys. 29, 274 (1996).
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Established Sat, Dec 9, 2006.

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